Dec 18 00:18:23.300 INFO checking fitzgen/intrusive_splay_tree against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 00:18:23.300 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/fitzgen/intrusive_splay_tree:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 00:18:23.620 INFO [stdout] 5f2ebe0ee9fefa71912ed28cbfbf602377969e7370e2cdb74b070ef4daf32bb0
Dec 18 00:18:23.624 INFO running `"docker" "start" "-a" "5f2ebe0ee9fefa71912ed28cbfbf602377969e7370e2cdb74b070ef4daf32bb0"`
Dec 18 00:18:24.380 INFO [stderr]     Checking intrusive_splay_tree v0.1.0 (/opt/crater/workdir)
Dec 18 00:18:24.380 INFO [stderr]     Checking env_logger v0.5.6
Dec 18 00:18:24.987 INFO [stderr]     Checking quickcheck v0.6.2
Dec 18 00:18:26.786 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.47s
Dec 18 00:18:27.598 INFO running `"docker" "inspect" "5f2ebe0ee9fefa71912ed28cbfbf602377969e7370e2cdb74b070ef4daf32bb0"`
Dec 18 00:18:27.782 INFO running `"docker" "rm" "-f" "5f2ebe0ee9fefa71912ed28cbfbf602377969e7370e2cdb74b070ef4daf32bb0"`
Dec 18 00:18:27.976 INFO [stdout] 5f2ebe0ee9fefa71912ed28cbfbf602377969e7370e2cdb74b070ef4daf32bb0